Home / 162,511.36-224,264.64-90,891.04

Finding the Fourth Proportional to 162,511.36, 224,264.64 and 90,891.04

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Solution

The fourth proportional to 162,511.36, 224,264.64 and 90,891.04 is: 125,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511.36 : 224,264.64 = 90,891.04 : x
  2. Step 2: Convert to fraction form
    162,511.36/224,264.64 = 90,891.04/x
  3. Step 3: Cross multiply
    162,511.36x = 224,264.64 × 90,891.04
  4. Step 4: Simplify right side
    162,511.36x = 20,383,646,364.83
  5. Step 5: Solve for x
    x = 20,383,646,364.83/162,511.36
  6. Step 6: Final answer
    x = 125,429.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.